Why do we dance? African-American social dances started as a way for enslaved Africans to keep cultural traditions alive and retain a sense of inner freedom. They remain an affirmation of identity and independence. In this electric demonstration, packed with live performances, choreographer, educator and TED Fellow Camille A. Brown explores what happens when communities let loose and express themselves by dancing together.

Slavery has occurred in many forms throughout the world, but the Atlantic slave trade-which forcibly brought more than 10 million Africans to the Americas-stands out for both its global scale and its lasting legacy. Anthony Hazard discusses the historical, economic and personal impact of this massive historical injustice.

In 1916, one family battled against the unjust laws aimed at immigrants of Japanese ancestry. In doing so, they lent their own voices to the growing chorus of Asian Americans insisting: "We belong here."

On April 14, 1947, the Ninth Circuit Court of Appeals in San Francisco upheld the lower court decision in Mendez v. Westminster, which required the school to integrate and set the stage for Brown v. Board of Education.

On December 7, 1941 Japan attacked Pearl Harbor and prompted the United States to enter World War II. While many Americans were concerned about the war abroad, they were also paranoid about the “threat” of Japanese Americans at home. As a result, many Japanese Americans were forced into internment camps on American soil.

This chapter details the Chinese involvement in building the transcontinental railroad and the friction it caused between them and white workers, whom Chinese workers displaced from their jobs due to their willingness to work for less and not join labor unions.

In this interview, Luis Rodriguez describes how the systemic demoralization he faced in school and society at a young age drove him to join a street gang and how writing his book, Always Running, was an attempt to call his son and other young people in similar situations to change their lives.